Glass shade



FIG. 1 is a perspective view thereof;

FIG. 2 is a front elevational view thereof, all sides being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines shown in the drawing are environmental only and form no part of the claimed design. 

The ornamental design for a glass shade, as shown and described. 